Conveyor beam



FIG. 1 is a top-front perspective view of a conveyor beam, showing the design;

FIG. 2 is both a top plan view and a bottom plan view thereof;

FIG. 3 is both a front view and a rear view thereof; and,

FIG. 4 is both a left view and a right view thereof.

The conveyor beam has been shown with a symbolic break in its length. The appearance of any portion of the conveyor beam in the drawings between the break lines form no part of the claimed design. 

CLAIM The ornamental design for a conveyor beam, as shown and described. 